<template>
    <el-container class="home_container">
        <el-header>
            <div>
                <img src="../assets/heima.png" alt />
                <span>电商后台管理系统</span>
            </div>
            <el-button type="info" @click="logout">退出</el-button>
        </el-header>
        <el-container>
            <el-aside :width="isCollapse ? '64px' : '200px'">
                <div class="toggle-button" @click="toggleCollapse">|||</div>
                <el-menu background-color="#333744" text-color="#fff" active-text-color="#409eff" :unique-opened="true" :collapse="isCollapse" :collapse-transition="false" router :default-active="activePath">
                    <el-submenu :index="''+ item.id" v-for="item in menuList.data" :key="item.id">
                        <template slot="title">
                            <i :class="iconsObj[item.id]"></i>
                            <span>{{item.authName}}</span>
                        </template>
                        <el-menu-item :index="'/'+ subItem.path" v-for="subItem in item.children" :key="subItem.id"  @click="saveNavPath('/'+subItem.path)">
                            <template slot="title">
                                <i class="el-icon-menu"></i>
                                <span>{{subItem.authName}}</span>
                            </template>
                        </el-menu-item>
                    </el-submenu>
                </el-menu>
            </el-aside>
            <el-main>
                <router-view></router-view>
            </el-main>
        </el-container>
    </el-container>
</template>
<script>
export default {
    data: function() {
        return {
            menuList: [],
            iconsObj: {
                "125": "iconfont icon-user",
                "103": "iconfont icon-tijikongjian",
                "101": "iconfont icon-shangpin",
                "102": "iconfont icon-danju",
                "145": "iconfont icon-baobiao"
            },
            isCollapse:false,
            activePath:''
        };
    },
    created: function() {
        this.getMenuList();
        this.activePath = sessionStorage.getItem('activePath');
    },
    methods: {
        logout: function() {
            sessionStorage.clear();
            this.$router.push("login");
        },
        getMenuList: async function() {
            const { data: res } = await this.$http.get("menus");
            if (res.meta.status != 200)
                return this.$message.error(res.meta.msg);
            this.menuList = res;
            console.log(res);
        },
        toggleCollapse: function(){
            this.isCollapse = !this.isCollapse;
        },
        saveNavPath:function(activePath){
            sessionStorage.setItem('activePath',activePath);
            this.activePath = activePath;
        }
    }
};
</script>
<style lang="less" scoped>
.home_container {
    height: 100%;
}
.el-header {
    background-color: #373d41;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-left: 0;
    color: #fff;
    font-size: 20px;
    > div {
        display: flex;
        align-items: center;
        span {
            margin-left: 20px;
        }
    }
}
.el-aside {
    background-color: #333744;
}
.el-main {
    background-color: #eaedf1;
}
.iconfont {
    margin-right: 10px;
}
.el-menu {
    border-right: none;
}
.toggle-button {
    background-color: #4a5064;
    font-size: 10px;
    color: #fff;
    text-align: center;
    line-height: 24px;
    letter-spacing: 0.2em;
    cursor: pointer;
}
</style>